Boston Marathon logo
BOSTON MARATHON 2025

Lixia Li

Bib: 10403•F

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 23%
Gender (Female)
#0 / 12228
Top 7%
Masters (Masters Women)
#0 / 6759
Top 2%
Division (F50-54)
#0 / 1303
Top 0.8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:48
Rank: #7966
Start → 5K
21:48 | 7:01/mi
10K· 6.21 mi
43:09
Rank: #7474 (+492)
5K → 10K
21:21 | 6:52/mi
15K· 9.32 mi
1:04:19
Rank: #7085 (+389)
10K → 15K
21:10 | 6:49/mi
20K· 12.43 mi
1:26:03
Rank: #7028 (+57)
15K → 20K
21:44 | 7:00/mi
Half· 13.11 mi
1:30:40
Rank: #6955 (+73)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:47:19
Rank: #6638 (+317)
Half → 25K
16:39 | 6:52/mi
30K· 18.64 mi
2:09:43
Rank: #6389 (+249)
25K → 30K
22:24 | 7:13/mi
20M
2:19:30
Rank: #6226 (+163)
30K → 20M
9:47 | 7:12/mi
21M
2:27:08
Rank: #6132 (+94)
20M → 21M
7:38 | 7:38/mi
35K· 21.75 mi
2:32:41
Rank: #6149 (-17)
21M → 35K
5:33 | 7:25/mi
23M
2:44:34
Rank: #6790 (-641)
35K → 23M
11:53 | 9:29/mi
24M
2:51:57
Rank: #6733 (+57)
23M → 24M
7:23 | 7:23/mi
40K· 24.85 mi
2:58:06
Rank: #6612 (+121)
24M → 40K
6:09 | 7:12/mi
25.2M
3:00:44
Rank: #6530 (+82)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
3:07:54
Rank: #6466 (+64)
25.2M → Finish
7:10 | 7:02/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:40
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:37:14
Pace7:25 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:2221:487:0121:48
7:01
-
10K
6.21 mi11:09:4343:096:5721:21
6:52
-0:09
15K
9.32 mi11:30:531:04:196:5421:10
6:49
-0:03
20K
12.43 mi11:52:371:26:036:5521:44
7:00
+0:11
Half
13.11 mi11:57:141:30:406:554:37
6:46
-0:14
25K
15.53 mi12:13:531:47:196:5516:39
6:52
+0:06
30K
18.64 mi12:36:172:09:436:5822:24
7:13
+0:21
20M
20.00 mi12:46:042:19:306:589:47
7:12
-0:01
21M
21.00 mi12:53:422:27:087:007:38
7:38
+0:26
35K
21.75 mi12:59:152:32:417:015:33
7:25
-0:13
23M
23.00 mi13:11:082:44:347:0911:53
9:29
+2:04
24M
24.00 mi13:18:312:51:577:107:23
7:23
-2:06
40K
24.85 mi13:24:402:58:067:106:09
7:12
-0:11
25.2M
25.20 mi13:27:183:00:447:102:38
7:38
+0:26
Finish
26.22 mi13:34:283:07:547:107:10
7:02
-0:36

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:46 /mi

Average Pace

7:10 /mi

Slowest Pace

9:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:47

34% of race

Time at Steady Pace

1:41:58

54% of race

Time at Slower Pace

22:09

12% of race

Average Pace: 7:10 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:48:2221:487:0121:48
7:01
#7966
10K
6.21 mi11:09:4343:096:5721:21
6:52
#7474
15K
9.32 mi11:30:531:04:196:5421:10
6:49
#7085
20K
12.43 mi11:52:371:26:036:5521:44
7:00
#7028
Half
13.11 mi11:57:141:30:406:554:37
6:46
#6955
25K
15.53 mi12:13:531:47:196:5516:39
6:52
#6638
30K
18.64 mi12:36:172:09:436:5822:24
7:13
#6389
20M
20.00 mi12:46:042:19:306:589:47
7:12
#6226
21M
21.00 mi12:53:422:27:087:007:38
7:38
#6132
35K
21.75 mi12:59:152:32:417:015:33
7:25
#6149
23M
23.00 mi13:11:082:44:347:0911:53
9:29
#6790
24M
24.00 mi13:18:312:51:577:107:23
7:23
#6733
40K
24.85 mi13:24:402:58:067:106:09
7:12
#6612
25.2M
25.20 mi13:27:183:00:447:102:38
7:38
#6530
Finish
26.22 mi13:34:283:07:547:107:10
7:02
#6466
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi79669679676228(Top 22%)574(Top 5%)574(Top 44%)
10K6.21 mi3.10 mi7474+492821+146821+1467055(Top 25%)720(Top 6%)720(Top 55%)
15K9.32 mi3.11 mi7085+389722+99722+996228(Top 22%)574(Top 5%)574(Top 44%)
20K12.43 mi3.11 mi7028+57719+3719+36860(Top 24%)744(Top 6%)744(Top 57%)
Half13.11 mi0.68 mi6955+73701+18701+185955(Top 21%)553(Top 5%)553(Top 42%)
25K15.53 mi2.42 mi6638+317647+54647+545439(Top 19%)482(Top 4%)482(Top 37%)
30K18.64 mi3.11 mi6389+249628+19628+195976(Top 21%)670(Top 5%)670(Top 51%)
20M20.00 mi1.36 mi6226+163612+16612+165219(Top 18%)567(Top 5%)567(Top 44%)
21M21.00 mi1.00 mi6132+94613-1613-15325(Top 19%)700(Top 6%)700(Top 54%)
35K21.75 mi0.75 mi6149-17619-6619-68074(Top 28%)1700(Top 14%)1700(Top 130%)
23M23.00 mi1.25 mi6790-641823-204823-20418658(Top 66%)7318(Top 60%)7318(Top 562%)
24M24.00 mi1.00 mi6733+57833-10833-106960(Top 25%)1430(Top 12%)1430(Top 110%)
40K24.85 mi0.85 mi6612+121827+6827+65044(Top 18%)791(Top 6%)791(Top 61%)
25.2M25.20 mi0.35 mi6530+82808+19808+194120(Top 15%)598(Top 5%)598(Top 46%)
Finish26.22 mi1.02 mi6466+64817-9817-95969(Top 21%)1232(Top 10%)1232(Top 95%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6228

Females

574

F50-54

574

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

7055

Females

720

F50-54

720

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6228

Females

574

F50-54

574

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6860

Females

744

F50-54

744

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5955

Females

553

F50-54

553

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5439

Females

482

F50-54

482

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5976

Females

670

F50-54

670

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5219

Females

567

F50-54

567

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5325

Females

700

F50-54

700

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

8074

Females

1700

F50-54

1700

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

18658

Females

7318

F50-54

7318

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6960

Females

1430

F50-54

1430

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

5044

Females

791

F50-54

791

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4120

Females

598

F50-54

598

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5969

Females

1232

F50-54

1232

Passing Analysis

Category:
Athletes Passed
2585
Passed By
1085
Net Change
+1500
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7966
5K → 10K53341+492#7966#7474
10K → 15K40819+389#7474#7085
15K → 20K179122+57#7085#7028
20K → Half785+73#7028#6955
Half → 25K3225+317#6955#6638
25K → 30K30455+249#6638#6389
30K → 20M18017+163#6389#6226
20M → 21M11622+94#6226#6132
21M → 35K3653-17#6132#6149
35K → 23M13654-641#6149#6790
23M → 24M9942+57#6790#6733
24M → 40K1298+121#6733#6612
40K → 25.2M831+82#6612#6530
25.2M → Finish10541+64#6530#6466
TOTALS25851085+1500
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing